A CPU (Central Processing Unit) is the chip responsible for actually "doing" most the instructions given to a computer.

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Can I share CPU over network?

I have two desktops (one of which I'm using as a server), my main machine has a weaker i5 cpu, my server has a stronger i7 cpu. On my main machine I am experiencing stutters because the CPU often runs ...
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54 views

Cpu fan does not speed up according to heat level

I have just changed my motherboard, ram and processor. Everything is going fine but fan speed when cpu heats. Fan speeds do not change according to cpu temperature. I have tried to open smart fan ...
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43 views

Hyper-Threading (SMT) Affinity and Equality

This question goes out to the Intel gurus that I know are out there. Are both threads on a physical CPU treated equally? As we know, hyper threading on intel CPUs is a system in which each physical ...
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52 views

How much RAM does my motherboard support?

I have Intel(R)Core(TM)i5-4460 CPU@3.20GHz and motherboard from ASROCK-B85Mpro4. Right now I'm having 12GB RAM running in it. My development programs are eating my memory and there are two free slot ...
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111 views

Low frame rate in every game with capable enough hardware

MSI Afterburner Monitoring Counter-Strike : Global Offensive: Sleeping Dogs: Facts and observations CPU and GPU not fully utilized. FPS stays around 20 - 25 in every game. Temperatures are ...
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Is my CPU temperature increase speed normal?

I have a Pentium D 2.8GHz CPU and I am concerned about its temperature. I would leave it off and wait a good day or so (have a nap). I would then turn it on I go straight into BIOS and straight into ...
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296 views

Why do x86 CPUs only use 2 out of 4 rings?

So either Linux or Windows based x86 systems only use ring 0 for kernel mode and ring 3 for user mode. Why do processors even distinguish four different rings if they all end up using just two of them ...
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178 views

Laptop CPU temperatures: 65°C in idle, 100+°C in heavy load

The laptop is a 4 years old Asus N56VZ, ambient temperature is around 25°C. I've already unmounted the laptop, cleared the (not much) dust and changed the original thermal paste with Arctic MX-4, ...
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34 views

Is damage from static discharge always immediately evident on a CPU?

I bought a used CPU on ebay, and after the person shipped it they told me to be careful opening the box because it's coming wrapped in printed newspaper in a box. No antistatic bag or proper ...
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3answers
107 views

Chrome.exe runs on its own and drains my processor power

I see like 15-20 chrome.exe processes in task manager and yes I know chrome uses several processes to separate workload. But the worst part is, I din't even oppened Chrome and yet I see those 20 ...
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1answer
305 views

Windows 10 does not see second CPU

I have Dell Precision T5400 workstation with two Intel Xeon x5450 (quad core) processors, and I installed Windows 10 Pro (updated from 8.1 Pro), and OS see just one processor. Device manager see 8 ...
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2answers
585 views

CPU DDR2 compatibility

I'm looking to upgrade the CPU on a laptop, and am having a hard time verifying the DDR type of CPUs. The laptop has a T5250. So, for upgrading, I'm looking at the X7900 and T9500, which are the two ...
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29 views

My work is slowing down other users on the same machine

I am working on a university computer. I am trying to run a job which is apparently slowing other users down. I ran 'top' to see what was going on. I was running near 100% of the CPU, but I think ...
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1answer
43 views

Computer suffers thermal shutdown without first trying thermal throttling

My laptop has an i7-4710MQ processor and a Nividea GeForce GTX 970m inside. Recently I have noticed it performs unexpected, thermal shutdowns during gaming. It does not appear as though either the ...
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1answer
351 views

Overclock a Core I3 6100 by BCLK without modified BIOSes?

I can't find any information about if it's possible to overclock a Core I3 6100 without special bioses (without exploiting the loophole door) through BCLK -but an I7 6700 non-k sure can-. I don't want ...
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1answer
19 views

At what temperature I should install another cooler for the processor?

I have a Intel dual core processor, code name Ivy Bridge, frequency ~3GHz, max TDP is 55.0W. I use Core Temp to monitor the temperature while all cores are at nearly 100% load. The temperature ...
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288 views

Any Way to Throttle Google Chrome CPU/RAM Usage in OSX?

Google Chrome uses quite a bit of RAM and processing power on my Mac. It's a fairly new (Early 2015) Macbook Pro with 16GB of ram and 2.9Ghz CPU. Still google chrome always shows up on apps using ...
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1answer
50 views

Building your own PC computer, is there a process checklist?

I have just built a new pc. I installed all the components and checked all cable connections. But when I turned it on the first time it did nothing, except the fans ran and several leds lit up. There ...
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82 views

Can't install Intel HAXM with i5-6260U - apparently it doesn't support VT-x?

I'm trying to install Intel Hardware Accelerated Execution Manager (HAXM) for improved virtual Android devices. Taken from the this page, the hardware requirements are; Hardware Requirements: ...
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1answer
21 views

Xeon E5-2697 v2 won't work on my C602 (LGA2011) motherboard? I already spent $2500 and can't return it

According to specs, the new CPU should work with the motherboard and socket. The indicator on the motherboard shows 00 which means CPU won't even start booting up. BIOS is up-to-date. Ideas?
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39 views

PC toasted itself, makes no sense to me

I build a small PC for general office usage about 2 weeks ago: Pentium G3258 Asrock B85M Pro3 SSD 8GB RAM rather big CPU heatsink I had lying around (removed the fan, see explanation below) I was ...
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1answer
25 views

Is it possible to upgrade a BGA 1224 CPU?

I want to upgrade the CPU of my T430s laptop from i7-3520M to i7-3632QM. I'm sure i7-3632QM is supported (same socket (BGA1224), same TDP (35W) and microcode found in BIOS (306A9.PAT)). So my ...
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3answers
56 views

How do PCI-E work with insufficient cpu lanes

I'm currently on using a i3-4160 CPU and the total number of PCI-E lanes it supports is 16. I'm currently have a device taking up a 1x slot and have another 16x slot free. If I install a graphics card ...
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34 views

Can a CPU cache similar calculations?

When a CPU tries to access random memory it accessed recently, it's possible the memory data is still in the processor cache, and it can retrieve it from this cache. Using this technique, the CPU can ...
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87 views

Windows 7 32-bit on 64 bit processor, Will 64 bit games work?

I recently installed a brand new 64 bit processor into my system (very happy about it), but I have a 32 bit operating system. I want to run 64 bit games, but I don't know if I need to upgrade my OS ...
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39 views

Programs start up slowly with integrated graphics on Windows 10

I'm using Intel Pentium G3240, I found that with integrated graphics every program open up slowly, for example, I open task manager just after OS start up, but it takes about 10s to open, but when ...
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52 views

CPU Clock not precise?

I have an AMD FX-6300 CPU, non-overclocked. I have all power saving features such as C1E turned off in the BIOS. I have also disabled turbo-boost. At stock settings, this CPU should run at 3500Mhz(3....
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23 views

CPU short-circuiting issue

I have a dual core PC (desktop). When I turned on some sparks happened in CPU and in the socket. The PC did not turned ON. I thought, if some electricity problem/socket was damaged then the monitor ...
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1answer
17 views

Computer radiator air flow

I only have room in my case to have 1 fan attached to the radiator (not push pull). I have a cheap cooler-master fan blowing air through the radiator out the back of my case. I am a heavy gamer, so I ...
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1answer
31 views

My second CPU in the server can't accept any RAM

I have a server with Asus KGPE-D16 motherboard, two AMD Opteron 6262 HE CPUs and 40 GB RDIMM ECC RAM (2x16 + 4x2 GB). When I installed the second CPU, I put the RAMs in the order from the manual: A2, ...
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Looking to upgrade my gaming rig's graphics card [closed]

Over the holidays I bought myself a new monitor(Acer B286HK), and while it can support very high resolutions, I am finding that my PC just isn't up to the task. I would now like to start upgrading my ...
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Upcoming Broadwell-E single-threaded performance in i7-6950X vs 6900K vs 6850K

According to various leaks ( http://wccftech.com/intel-broadwell-e-core-i7-6950x-price/ ) and ( http://wccftech.com/intel-broadwell-e-hedt-computex-2016/ ) the CPU frequencies of the upcoming ...
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Is Speech Runtime Executable spying on me in Windows 10

When looking at task manager I see Speech Runtime Executable always taking a bit of CPU Cortana (not Hey Cortana) is ON and Hey Cortana is OFF is enabled and these are my privacy settings My ...
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Gnome 3 on openSuse 42.1 : “sleep 1” Command High CPU Usage

I am experiencing intense cycles of high CPU usage on my openSuse laptop. I have noticed my browser intermittently freezing up (and my fan speeding up) and I checked htop and this is what it looks ...
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epollwait cpu high %100

environment:jdk8,linux 2.6.32 using httpasyncclient post urls,but cpu 60% when qps is small strace: 5086 14:12:16.474191 [ 3b100e7c73] epoll_wait(694, <unfinished ...> 5086 14:...
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1answer
67 views

cpuinfo shows 40 vcores on 10 core processros

Recently I procured a machine with Intel(R) Xeon(R) CPU E5-2650 v3 @ 2.30GHz with 128GB RAM running CentOS 6.7. The specs in Intel web site show that this processor has 10 cores (20 hyper threaded ...
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Using LGA 775 CPU cooler on LGA 1155

So I have an lga 1155 mobo and cpu that I need a fan for, I do have a lga 775 (stock) fan which I have taken the plastic clips off of and it fits perfectly fine over the 1155 socket, my question ...
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Sandy bridge sockets

what is the difference between these two socket types: bga 1023 and rpga 988b asking because now I have i3-2310m which is bga 1023 type CPU before that I had Intel b970 CPU which had rpga 988b socket ...
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What does it mean (to decode) in the execution cycle

In a typical instruction cycle, fetching, decoding, executing together form one cycle. My question is about the decoding step: What is the part that gets decoded, is it the instruction's opcode? If so,...
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Surface pro 3 weaker processing while plugged in

I am encountering a strange issue in that my Surface Pro 3 seems to run more slowly (more lag in games) when plugged in, and I was wondering if anyone on here might have experienced a similar issue, ...
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340 views

New CPU, bleeps - Don't have a clue

I have a the following desktop Computer: HP Compaq Presario CQ5305UK Motherboard: H-I41-uATX (Eton/EtonL) Power Supply: 260W Graphics Card: Nvidia GeForce GT 720 - 2GB Processor: Pentium(R) Dual-Core ...
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54 views

My AMD A8-4500M is at 120C Is this a error with speccy

I just installed speccy on my laptop and was very surprised to see these temperatures when idling My CPU has a maximum temperature of 100C and the fan is quiet (and is working) and my laptop doesn't ...
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4answers
14k views

How can my computer use 300% PC processing power?

I'm playing around with a script and well I got carried away (it's still running right now and yet my computer has not yet died). I'm running 17 iterations of the script (with the intention of ...
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1answer
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How hard is it to tell the quality of a thermal paste?

I've taken my laptop apart and separated the cooling mechanism and cleaned off the cpu. I used naphtha and alcohol(50%). I've read many articles that I should have 99% Alcohol... not to use petroleum ...
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63 views

Virtualization Supported, Disabled for Intel Core i7 3632QM

I have Intel Core i7 3632QM. I installed android tools and when I ran it, it said that the Virtualization is disabled. I went into the bios section and it was enabled. I have Windows 8.1. How can I ...
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121 views

CPU throttling / parking under use

Seemingly randomly, CPU cores 2-7 will park and cores 0-1 will throttle to an idle clock despite current heavy usage of a browser, video editor, VM, etc. What is running does not seem to affect the ...
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1answer
36 views

Do I need a Alternative Heatsink?

I have Intel Pentium G2020, it is not overclocked (i guess) but still should I bother getting this heatsink for my processor just so that my processor stays at room temperature while I am doing some ...
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52 views

No POST on new built desktop

I just finished building a desktop again and it will not perform a successful POST. No beeps or video either. Since my goal is a successful POST, i removed all irrelevant hardware already and am only ...
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2answers
56 views

Why does the BIOS need to explicitly support both CPUs for an upgrade to work?

Often when upgrading a CPU, people say to check that the BIOS/UEFI (going to refer to both as "BIOS") supports the new CPU before buying/installing it, but what are the specific reasons that the BIOS ...
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I built my first computer a few weeks ago and it was fine, but now one of the fans is getting loud at random times. Is this bad?

So a few weeks ago I built my first computer with the help of the video guide here. I bought the Newegg combo deal listed in the guide and a few other peripherals (Razer keyboard). I didn't realize at ...